--TEST--
mysqli_debug()
--EXTENSIONS--
mysqli
--SKIPIF--
<?php
require_once 'skipifconnectfailure.inc';

if (!function_exists('mysqli_debug'))
    die("skip: mysqli_debug() not available");

if (!defined('MYSQLI_DEBUG_TRACE_ENABLED'))
    die("skip: can't say for sure if mysqli_debug works");

if (defined('MYSQLI_DEBUG_TRACE_ENABLED') && !MYSQLI_DEBUG_TRACE_ENABLED)
    die("skip: debug functionality not enabled");
?>
--FILE--
<?php
    require_once 'connect.inc';

    // NOTE: documentation is not clear on this: function always return NULL or TRUE
    if (true !== ($tmp = mysqli_debug(sprintf('d:t:O,%s/mysqli_debug_phpt.trace', sys_get_temp_dir()))))
        printf("[002] Expecting boolean/true, got %s/%s\n", gettype($tmp), $tmp);

    // table.inc will create a database connection and run some SQL queries, therefore
    // the debug file should have entries
    require_once 'table.inc';

    clearstatcache();
    $trace_file = sprintf('%s/mysqli_debug_phpt.trace', sys_get_temp_dir());
    if (!file_exists($trace_file))
        printf("[003] Trace file '%s' has not been created\n", $trace_file);
    if (filesize($trace_file) < 50)
        printf("[004] Trace file '%s' is very small. filesize() reports only %d bytes. Please check.\n",
            $trace_file,
            filesize($trace_file));

    // will mysqli_debug() mind if the trace file gets removed?
    unlink($trace_file);
    clearstatcache();

    if (!$res = mysqli_query($link, 'SELECT * FROM test'))
            printf("[005] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
        else
            mysqli_free_result($res);

    mysqli_close($link);

    clearstatcache();
    if (!file_exists($trace_file))
        printf("[006] Trace file '%s' does not exist\n", $trace_file);
    unlink($trace_file);

    print "done!";
?>
--CLEAN--
<?php
    require_once 'clean_table.inc';
?>
--EXPECTF--
done%s
